diff --git a/operation-api/src/main/java/org/sopt/makers/operation/web/alarm/service/AlarmServiceImpl.java b/operation-api/src/main/java/org/sopt/makers/operation/web/alarm/service/AlarmServiceImpl.java
index 9e325d51..7b66a4f1 100644
--- a/operation-api/src/main/java/org/sopt/makers/operation/web/alarm/service/AlarmServiceImpl.java
+++ b/operation-api/src/main/java/org/sopt/makers/operation/web/alarm/service/AlarmServiceImpl.java
@@ -46,7 +46,7 @@ public class AlarmServiceImpl implements AlarmService {
     public void sendInstantAlarm(AlarmInstantSendRequest request) {
         val savedAlarm = alarmRepository.save(request.toEntity());
         val targets = getTargets(savedAlarm);
-        alarmManager.postInstantAlarm(AlarmSenderRequest.of(savedAlarm, targets));
+        alarmManager.sendInstantAlarm(AlarmSenderRequest.of(savedAlarm, targets));
         savedAlarm.updateToSent(formatSendAt(LocalDateTime.now()));
     }
 
@@ -73,7 +73,7 @@ public void sendScheduleAlarm(AlarmScheduleSendRequest request) {
                 webLink
         );
 
-        alarmManager.postReservedAlarm(eventBridgeRequest, request.postDate(), request.postTime(), savedAlarm.getId());
+        alarmManager.sendReservedAlarm(eventBridgeRequest, request.postDate(), request.postTime(), savedAlarm.getId());
     }
 
     @Override
diff --git a/operation-external/src/main/java/org/sopt/makers/operation/client/alarm/AlarmManager.java b/operation-external/src/main/java/org/sopt/makers/operation/client/alarm/AlarmManager.java
index e299bbac..facd07a8 100644
--- a/operation-external/src/main/java/org/sopt/makers/operation/client/alarm/AlarmManager.java
+++ b/operation-external/src/main/java/org/sopt/makers/operation/client/alarm/AlarmManager.java
@@ -14,11 +14,11 @@ public class AlarmManager {
     private final AlarmSenderImpl alarmSender;
     private final EventBridgeSenderImpl eventBridgeSender;
 
-    public void postInstantAlarm(AlarmSenderRequest request) {
+    public void sendInstantAlarm(AlarmSenderRequest request) {
         alarmSender.send(request);
     }
 
-    public void postReservedAlarm(EventBridgeSenderRequest request, String postDate, String postTime, Long alarmId) {
+    public void sendReservedAlarm(EventBridgeSenderRequest request, String postDate, String postTime, Long alarmId) {
         eventBridgeSender.scheduleAlarm(request, postDate, postTime, alarmId);
     }
 }